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z LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 939-03.14 BORING NO. MW-4 <br /> -_ PROJECT NAME San Joaquin County - Corral Hollow Landfill PAGE 2 OF 2 <br /> 9 <br /> BY S. Lofbolm DATE 4/11/88 SURFACE ELEV. 243.31' <br /> POCKET PENETRA- Z�J TF LITHO- -j_j <br /> RECOVERY PENETRO TION 3 ul d� ti GRAPHIC JQ DESCRIPTION <br /> METER MOWS/ M3 W ®Z ¢ COLUMN 3 W <br /> (FT/FT) (TSF) Ft.) O -1 p <br /> 1.5/1.5 28 CL SILTY CLAY (continued). <br /> 1.2/1.5 17 <br /> 1.3/1.5 18 @ 23 feet moderate plasticity; abundant <br /> - carbonaceous material; trace iron oxide <br /> concretions; soft; damp to moist. <br /> 1.5/1.5 17 ZS <br /> @ 26 feet: damp. <br /> BOTTOM OF BORING AT 26.5 FEET. <br /> - 30 <br /> 35 <br /> 40 <br /> REMARKS <br /> ECON <br /> ASSOCIATES <br />